Agent in State Border Guard Service who adjusted strikes on Odesa detained — suspected of treason.
The SBU detained a Coast Guard sailor who, investigators say, was recruited by the FSB via Telegram and used to prepare air strikes on the Odesa region — the case underscores the risks of internal vulnerability and the enemy’s methods.
By Tetiana Suchkova-Ladik
March 17, 2026 · 2 min read
What happened and why it matters
The Security Service of Ukraine detained an enemy agent among the personnel of the State Border Guard Service — a sailor of the Sea Guard. According to the investigation, the suspect directed strikes on Odesa by transmitting to the opponent the coordinates of positions of mobile fire groups, radar stations and anti-aircraft batteries that defend the regional center's airspace.
"Using agent-provided intelligence, the Russians hoped to prepare a new series of air attacks on the regional center that would 'bypass' Ukrainian air defenses. Among the main 'targets' of the RF were locations where personnel of Ukrainian forces involved in fighting on the southern front were concentrated."
— Security Service of Ukraine
How the agent operated
According to the SBU, the sailor was detained “in the act” while he was photographing a military facility that the enemy was preparing to strike with missiles. The investigation established that he had been recruited by the FSB while seeking additional income through Telegram channels.
Legal qualification and sanctions
The suspect has been notified of suspicion under Part 2 of Article 111 of the Criminal Code of Ukraine (state treason in conditions of martial law). He is currently being held in custody without the right to post bail. For the committed offense he faces life imprisonment with confiscation of property.
Conclusions and security implications
This case illustrates several important risks: first, the effectiveness of enemy intelligence in using social networks and recruitment channels; second, the danger of insider information to the air defense system and defense deployments. For residents of the Odesa region, it is a direct reminder: protection from attacks is not only a matter of equipment, but also of personnel security and operational counterintelligence.
Now the ball is in the agencies' court: the investigation will continue, and the security services will have to show how exactly they will strengthen measures to counter agent activity and minimize the risks of recruitment via online platforms. Will that be enough to close the vulnerabilities? The answer depends on the speed of implementing specific solutions.
